package com.haohope.framework.redis;

import java.nio.charset.Charset;

import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.parser.ParserConfig;
import com.alibaba.fastjson.serializer.SerializerFeature;

public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T> {
	public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
    private Class<T> clazz;
    static {
   		ParserConfig.getGlobalInstance().setAutoTypeSupport(true); 
        //ParserConfig.getGlobalInstance().addAccept("com.xxxxx.xxx");
    }
    public FastJson2JsonRedisSerializer(Class<T> clazz) {
        super();
        this.clazz = clazz;
    }
	@Override
	public byte[] serialize(T t) throws SerializationException {
		if(t == null){
            return new byte[0];
        }
		String str = JSON.toJSONString(t, SerializerFeature.WriteClassName);
        return str.getBytes(DEFAULT_CHARSET);
	}
	@Override
	public T deserialize(byte[] bytes) throws SerializationException {
		if (bytes == null || bytes.length <= 0) {
            return null;
        }
        String str = new String(bytes, DEFAULT_CHARSET);
        return JSON.parseObject(str, clazz);
	}
}